-30.79% is the change from 471 to 326
Calculation steps:
[( 326 - 471 ) ÷ 471] x 100 = -30.79%
Formula
Percentage change = [(326 - 471) / 471] x 100
Subtract the new number by the original number
326 - 471 = -145
-145 ÷ 471 = -0.3078556263269639
-0.3078556263269639 x 100 = -30.79%